Luca Scrimali, Giuseppe Lomeo, Corrado Nolfo, Gianluca Pompili, Serena Tamburino, Alexei Catalani, Paolo Siragò, Rosario Emanuele Perrotta
Keloids and hypertrophic scars are both abnormal wound responses in predisposed individuals but they differ in that keloids extend beyond the original wound and almost never regress, while hypertrophic scars remain within the original wound and tend to regress. How keloids grow is not totally clear because there is no animal model; in fact, keloids affect only humans. Different injuries can result in keloids, including burns, surgery, ear piercing, lacerations, abrasions, tattooing, vaccinations, injections, insect bites and any process causing skin inflammation (chicken pox, acne, folliculitis, zoster)...
October 2010: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology